Front bedroom, rear living area, dual vanity
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2026 Keystone Montana High Country 373RD
NewStock #KE18981
Listing price
2026 Montana High Country 373RD
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
The 373RD flips the typical fifth wheel layout by pushing the living area to the rear, which means big windows, a more social atmosphere, and genuine separation between the bedroom and everything else. Up front, the King bed and dual vanity make the bedroom feel like an actual retreat rather than an afterthought. Back in the living space, Thomas Payne electric reclining theater seats and a 5K BTU fireplace set a tone that's hard to argue with after a long driving day. Underneath, the MORryde CRE3000 suspension with Dexter Gladiator axles handles rough roads quietly. Something owners consistently call out. While the oversized pass-through storage and rear slide-out tray keep the gear-hauling side of RV life well organized.
Length
37 ft
Dry weight
13,399 lbs
GVWR
16,780 lbs
Sleeps
6
Many factors play into a unit's listing price and what you should pay. This guide provides a ballpark estimate, but it does not factor in your exact scenario or how different listings are equipped.
There may be room for price negotiation.
$70,887 – $79,999
This unit is ranked 4 of 5 by asking price in this group.
The listing price on this unit has changed 1 time.
See the complete price timeline and the rest of this unit's pricing insights.
RV World Yuma
Yuma, AZ
Sells faster than 59% of Arizona RV dealers
Compared with 20 dealers in Arizona
STK#: KE18981.
Welcome to a new era of elevated travel experiences with the 2026 Keystone Montana High Country. Step into a realm where every detail is meticulously crafted to enhance your journey, from the breathtaking panoramas framed by expansive windows to the innovative features like SolarFlex™ solar power systems and our exclusive Winegard Air 360+ antenna with satellite pass through that make life on the road seamless. With slightly shorter models, floorplan options designed for families, and warranty coverage for full-time travelers, High Country is a favorite for RV enthusiasts throughout North America.
The new Montana High Country 373RD is another unique, very family friendly floor plan. This 4 slide-out 5th wheel trailer, is over 40' in overall length, and features a spacious and private rear den living area, a large side-isle a bathroom with 2 sinks, and a mid-coach kitchen with lots of counter space and storage. The 373RD can sleep up to 6 adults very comfortably with 2 Hide-A-Bed Sofas in the rear living area and a king size bed in the Master Suite.
Options include:
⦁ INTERIOR DECOR - KINGSTON
⦁ EXTERIOR DECOR - MYSTIC WHITE
⦁ OZARK SHADOW EDITION
⦁ HIGH COUNTRY RESIDENTIAL LIVING PACKAGE
⦁ HIGH COUNTRY FOUR SEASON LIVING PACKAGE
⦁ AUTOMATIC LEVELING SYSTEM
⦁ 2" ACCESSORY HITCH
⦁ SOLAR FLEX PROTECT (220-watt solar)
⦁ REFRIGERATOR- RESIDENTIAL -18cu.ft.
⦁ FREE STANDING DINETTE AND CHAIRS
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